PMID: 9476862
Rubenstein RC, Zeitlin PLA pilot clinical trial of oral sodium 4-phenylbutyrate (Buphenyl) in deltaF508-homozygous cystic fibrosis patients: partial restoration of nasal epithelial CFTR function.
Am J Respir Crit Care Med. 1998 Feb;157(2):484-90., [PubMed]